there is no sound of letters

[meccep45]

there is no sound. and I cleaned my ears once again. but the sound did not appear.

[Kindred]

Not sure why....   but captcha is useless anyway.    Use questions.

[live627]

which browser?

[meccep45]

FF, ME new.

[meccep45]

I found my problem. sometimes excessive concern for security harms the whole thing. I rebuilt * add_header Content-Security-Policy* and everything worked. that's how it happens.